63864016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 130820000

約数和(自身を除く): 66955984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 421, 499, 842, 998, 1684, 1996, 3368, 3992, 6736, 7984, 7999, 9481, 15998, 18962, 31996, 37924, 63992, 75848, 127984, 151696, 210079, 420158, 840316, 1680632, 3361264, 3991501, 7983002, 15966004, 31932008, 63864016]

約数ペア:

[(1, 63864016), (2, 31932008), (4, 15966004), (8, 7983002), (16, 3991501), (19, 3361264), (38, 1680632), (76, 840316), (152, 420158), (304, 210079), (421, 151696), (499, 127984), (842, 75848), (998, 63992), (1684, 37924), (1996, 31996), (3368, 18962), (3992, 15998), (6736, 9481), (7984, 7999)]